Can you please correct my letter?

[*m*]

Dear Sir or Madam,

I am interested to conversation course that you provide in your institute.

I would like to be informed to registration dates during the summer and more information about it.

Could you please send it to my email?

Yours faithfully,

[Tdol]

interested in the conversation

I would like to know details of registration dates, prices, etc

[*m*]

Thank you Tdol for editing my letter

[Anu18]

Hi to all

I am going to send a letter to Insurance Office about My New postal Address.
Please help me with correcting grammars.

My Letter Contains:
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To,


Office Address
.......
Insurance Policy No.: 1563535/03

Dear Sir/Madam,

I have recently moved and I would like to change my address. My details are as follows:

Previous Address:

Old Postal Address Details


Present Address:
Current Postal Address Details.
I respectfully request you to change my address in your records for further communications.
Finally, I did not get the any letters from the Office. The second letter dispatched on March 2010. I hold that at my old address till May 10, 2010.If it is possible. please, resend the letter in above mention address.

I am waiting for mail/letter in new address.
Thank You.
Sincerely
abc
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